-71.37% is the change from 751 to 215
Calculation steps:
[( 215 - 751 ) ÷ 751] x 100 = -71.37%
Formula
Percentage change = [(215 - 751) / 751] x 100
Subtract the new number by the original number
215 - 751 = -536
-536 ÷ 751 = -0.7137150466045273
-0.7137150466045273 x 100 = -71.37%